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Air Quality History for Yamagata, Japan

Historical PM2.5 and AQI trend from monitoring stations near Yamagata, Japan.

27
Current AQI
Good Station
48 Hours 7 Days 14 Days 20 Days
CSV JSON

Air Quality Index Station

478h

PM2.5 Station

478h · 25 stations

Temperature GFS model

80pt

Precipitation GFS model

mm/day

Daily Summary Station

Date AQI Range PM2.5 avg PM10 avg Hours Stations
2026-10-21 38 26–48 9.1 µg/m³ 15.5 11h 22
2026-10-20 44 32–57 10.7 µg/m³ 19.6 24h 21
2026-10-19 45 32–64 11.0 µg/m³ 15.0 24h 21
2026-10-18 36 24–46 8.6 µg/m³ 9.1 24h 21
2026-10-17 46 30–72 11.5 µg/m³ 13.6 24h 20
2026-10-16 50 35–97 12.9 µg/m³ 13.7 24h 18
2026-10-15 50 28–152 14.0 µg/m³ 8.7 24h 20
2026-10-14 38 23–82 9.5 µg/m³ 9.0 24h 20
2026-10-13 46 33–66 11.4 µg/m³ 19.1 24h 19
2026-10-12 48 35–75 12.2 µg/m³ 13.4 24h 20
2026-10-11 48 30–81 12.1 µg/m³ 18.1 24h 19
2026-10-10 48 32–92 12.3 µg/m³ 21.0 24h 20
2026-10-09 45 15–115 11.7 µg/m³ 16.4 24h 21
2026-10-08 35 24–83 8.7 µg/m³ 13.1 24h 22
2026-10-07 34 25–44 8.1 µg/m³ 7.7 24h 22
2026-10-06 36 23–65 8.8 µg/m³ 8.1 24h 23
2026-10-05 36 28–50 8.7 µg/m³ 11.0 24h 22
2026-10-04 47 28–153 13.1 µg/m³ 14.5 24h 22
2026-10-03 35 24–44 8.4 µg/m³ 11.3 24h 21
2026-10-02 32 23–41 7.6 µg/m³ 8.0 24h 23
2026-10-01 39 31–48 9.4 µg/m³ 15.0 11h 23
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